Peterson Mfg #138 Red Clearance Light
Popular, two-bulb lamp that functions as clearance or side marker light, and may be used as combination clearance and side marker when properly mounted.
Acrylic lens snaps onto housing. Surface mounts on 3" centers and grounds through mounting hardware; single wire for electrical connection. Features two 15.000-hour long life bulbs. Available in amber or red; blue and green available for accessory use only.